<template>
  <div class="shopcar-container">
    <div class="goods-list">
      <!-- 商品列表项区域 -->
      <div class="mui-card" v-for="(item, i) in getGoodslist" :key="item.id">
				<div class="mui-card-content">
					<div class="mui-card-content-inner">
						<mt-switch v-model="$store.getters.getGoodsSelected[item.id]"></mt-switch>
            <img :src="item.thumb_path" alt="">
            <div class="info">
              <h1>{{ item.title }}</h1>
              <p>
                <span class="price">￥{{ item.sell_price }}</span>
                <numbox :initcount="$store.getters.getGoodsCount[item.id]" :goodsinfo="item.id"></numbox>
                <!-- 
                  问题：如何从购物车中获取商品数量
                  1：我们可以先创建一个空对象，然后循环购物车中所有的数据，把当前循环的这条商品的id，作为对象的属性名
                  count值作为对象的属性值，这样当爸所有的商品循环一遍，就会得到一个对象

                -->
                <a href="#" @click.prevent="remove(item.id, i)">删除</a>
              </p>
            </div>
					</div>
				</div>
			</div>
    </div>
    <!--  结算区域-->
    <div class="mui-card">
				<div class="mui-card-content">
					<div class="mui-card-content-inner jiesuan">
						<div class="left">
              <p>总计(不含运费)</p>
              <p>已勾选商品 <span class="=red">{{$store.getters.getGoodsCountAndAmount.count }}</span> 
              件, 总价<span class="=red">￥{{$store.getters.getGoodsCountAndAmount.amount }}</span></p>
            </div>
            <mt-button type="danger">去结算</mt-button>
					</div>
				</div>
			</div>
      <p>{{ $store.getters.getGoodsSelected}}</p>
  </div>
</template>
<script>
import numbox from '../subcomponents/shopcar_numbox.vue'
export default {
  data(){
    return {
      goodslist:[]//购物车中所有商品的数据
    }
  },
  created(){
    this.getGoodslist();
  },
  methods:{
    //获取购物车商品列表
    getGoodslist(){
      // 1:获取到store中所有的商品的id  然后拼接出一个  用逗号分割的字符串
      var idArr = [];
      this.$store.state.car.forEach(item =>idArr.push(item.id));
      //如果购物车中没有商品，则直接返回，不需要请求数据接口，否则会报错
      if(idArr.length <= 0){
        return;
      }
      this.$http.get('api/goods/getshopcarlist'+idArr.join(",")).then(result =>{
        if(result.body.status === 0){
          this.goodslist = result.body.message;
        }
      })
    },
    remove(id, index){
      //点击删除，把商品从 store  中根据  传递的id删除  同时， 把当前组建中的goodslist 中，对应要删除的那个商品，使用 index来删除
      this.goodslist.splice(index, 1)
      this.$store.commit("removeFormCar", id)
    }
  },
  components:numbox
}
</script>
<style lang="scss" scoped>
  .shopcar-container{
    background-color: #eee;
    overflow: hidden;
    .goods-list{
      .mui-card-content-inner{
        display: flex;
        align-items: center;
      }
      img{
        width: 60px;
        height: 60px;
      }
      h1{
        font-size: 14px;
      }
      .info{
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        .price{
          color: red;
          font-weight: bold;
        }
      }
    }
    .jiesuan{
      display: flex;
      justify-content: space-between;
      .red{
        color: red;
        font-weight: bold;
        font-size: 16px;
      }
    }
  }
</style>
